Atrillium is a plant that grows on the forest floor. during a study, a scientist observed that a trillium blooms much earlier during the year than leaves appear on the tall trees in the forest. evaluate the observation given the limiting factors in the forest.

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Why do german shepherds shed so much

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?